J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone021-61259108 18621169085
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Dayang Chem (Hangzhou) Co.,Ltd.
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CONIER CHEM AND PHARMA LIMITED
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Nanjing Shizhou Biology Technology Co.,Ltd
Telephone025-85560043 13675144456
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